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Product Summary

Universal Fit, Firewall Position, Tandem Outlet Count

  • Aluminum construction
  • 8" mounted length
  • Can be used with manual or power brakes
  • 1" cylinder bore size
  • Pushrod is NOT included
See more details

Key Specs

MFG. Part #91031422
BrandSpeedway Motors
Master Cylinder Bore Size1 Inch
Master Cylinder MaterialAluminum
FinishNatural
See more specs

Need To Know

Quick and Easy Returns

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Speedway Motors 91031422 Details

If you are wanting to save some weight and still use the GM style master cylinder, this is the ticket. This unpolished aluminum master cylinder has a 1" bore, 3/8"-24 IFF outlets on both sides, and can be used with manual or power brakes. 

Pushrod NOT included. Accomodates mount studs from 3" center-to-center minimum to 3-1/4" center-to-center maximum.

Learn more about selecting the proper master cylinder for your vehicle by reading our tech article, Brake System Selection.

Speedway Motors 91031422 Specifications

KEY SPECS
MFG. Part #91031422
BrandSpeedway Motors
Master Cylinder Bore Size1 Inch
Master Cylinder MaterialAluminum
FinishNatural
GENERAL
PositionFirewall
Brake System TypeDisc/Drum
Outlet CountTandem
Reservoir TypeIntegral
Reservoir IncludedYes
Pushrods IncludedNo
Outlet Fitting3/8"-24 IFF
Overall Width4.45"
Overall Height4.88"
Mounted Length8"
Centerline of Holes3.25"
Sold in QuantityEach
NotesPushrod and pushrod dust boot not included.9103190 STEEL PORT PLUG KIT.

Ratings & Reviews

4.9

10 Reviews

Overall Assessment

Customers highly rate our product for its quality and practicality, particularly in restoration projects and as a master cylinder for brakes. Its lightweight and non-rust features set it apart from typical cast iron cylinders, presenting both aesthetic appeal and durability. This makes install easy and maintenance-free. Many customers have replaced their former cylinders with ours, citing equivalent performance but superior quality. It notably added value to vintage cars like a 1955 Chevy. Consumers trust us as a reliable parts provider, choosing our products over competitors.

4.9

10 reviews

5

9

4

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Filter by Ratings

Aluminum brake master

5.0

a month ago

GearJamn

Caldwell, ID

Verified

Exact fit, and not gonna rust!

Would Recommend

good quality

5.0

a year ago

donnie

belleville, mi

Verified

fits fine, needs fittings

Would Recommend

Perfect for my project

5.0

2 years ago

Curly

Illinois

Verified

I am using this in a restoration project. It is perfect.

Would Recommend

Yes I would

5.0

3 years ago

Don

Lincoln

Verified

Obviously I used it as a master cylinder for the brakes. Bench bled it before I put it on.

Would Recommend

Great product

5.0

4 years ago

Ken

San Antonio, Tx

Verified

Works great under body of my t bucket

Would Recommend

Yes great deal

5.0

5 years ago

Bill

Wingate

Verified

Great deal easy install

Would Recommend

Master Cylinder

5.0

5 years ago

Bill

Wingate N.C.

Verified

Great people to deal with bought many parts from y'all and will continue to do so Thanks

Would Recommend

Should be the exact fit for the roadster

4.0

8 years ago

Gearman

Marion, Ia.

Verified

As some else once said " I did not want to have to excuse the rusty looks of my cast iron cylinder"...not to mention a weight savings.

Would Recommend

Light and attractive

5.0

14 years ago

Duke

Ocranside, CA

Verified

I had a cast iron master cylinder that worked well. What I did not like was the weight and the fact it started to rust a week after the installation. This puchase solves both concerns, and it well finished to boot. It performs as capably as the cast iron MC, and you won't have to apologize for the iron oxide.

Would Recommend

Great Product

5.0

14 years ago

55 belair

martinsville,va.

Put it on my 1955 Chevy.Used it with the ss brake booster 910-31460 cut weight of total unit in half.Great product its the only way to go.

Would Recommend

Showing 10 of 10 reviews

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